the martin luther king day holiday. maureen kelly kron4 news. >> now for some perspective on just how many guns are off bay area streets since december: oakland and san francisco both held gun buy-packs and the results were impressive. oakland collected 300 guns. san francisco had 296 guns turned in. so nearly 600 guns - off the streets in one day on decemner 16th. people were given $200 dollars in exchange for their guns - the money coming from non-profit groups and private donations. >> pam: in san francisco, two pieces of gun control legislation were introduced to the board of supervisors. the first bans the possession of military style ammunition, such as hollow- point bullets. the sale of those bullets is already illegal. this action would make having them a misdeamenor. the second requires police notification, when someone in san francisco buys 500- rounds of ammunition or more. this includes online purchases. the supervisor sponsoring the changes says, they will make a difference. >> i deal with it every day. i c